Seiko Cal. 3891 - 221

The Seiko 3891-221 represents an important milestone in Seiko's 1981 lineup. Powered by the 3891 caliber with 33j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-318e2efe556a]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1981

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